![]() ![]() : Fixed note about gas density to read ". Early periodic tables were incomplete, since many elements were. : Updated the Excel and PDF files to correctly classify Radon as a gas. The atomic weight of an element is equivalent to what we now call its relative atomic mass. : Update (Version 1.1) - Added indicator for radioactive elements, color-coded melting and boiling point data, added the crystal structure (in place of the van der Waals radius), and marked the atomic radius as either the metallic radius (m) or covalent radius (v). Though individual atoms always have an integer number of atomic mass. Tip: You can create your own mini periodic table poster by printing on 11x17 paper. The standard atomic weight is the average mass of an element in atomic mass units (amu). Though individual atoms always have an integer number of atomic mass units, the atomic mass on the periodic table is stated as a decimal number because it is an average of the various isotopes of an element. You can use this data table for creating trend charts or use lookup functions to use the data within calculations. Standard Atomic Weight The standard atomic weight is the average mass of an element in atomic mass units ('amu'). It is an organizing icon of chemistry and is widely used in physics and other sciences. If you'd like to create your own personal custom periodic table, you can download this Excel file and add your own sets of properties.ĭata: The spreadsheet also includes a worksheet that lists the property data for the elements. Chemistry Portal v t e The periodic table, also known as the periodic table of the elements, arranges the chemical elements into rows ('periods') and columns ('groups'). This spreadsheet was used to create the printable periodic table above and also contains a worksheet listing the data for various chemical properties. ![]() "No installation, no macros - just a simple spreadsheet" - by Jon Wittwer and Brent Weight Description Periodic Table The Periodic Table use it often Elements and Symbols The periodic table can often be presented with an abundance of data about each and every element listed. ![]()
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